Home / 42,635,289.60-63,952,934.40-39,779,942.40

Finding the Fourth Proportional to 42,635,289.60, 63,952,934.40 and 39,779,942.40

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Solution

The fourth proportional to 42,635,289.60, 63,952,934.40 and 39,779,942.40 is: 59,669,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635,289.60 : 63,952,934.40 = 39,779,942.40 : x
  2. Step 2: Convert to fraction form
    42,635,289.60/63,952,934.40 = 39,779,942.40/x
  3. Step 3: Cross multiply
    42,635,289.60x = 63,952,934.40 × 39,779,942.40
  4. Step 4: Simplify right side
    42,635,289.60x = 2,544,044,046,742,978.50
  5. Step 5: Solve for x
    x = 2,544,044,046,742,978.50/42,635,289.60
  6. Step 6: Final answer
    x = 59,669,913.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.